ENERGY STAR Labeled Building Profile

Arden's 5200 W. Century property located at 5200 W. Century Blvd. Los Angeles, California is a 311,317 square foot building that is 95% occupied. As part of the company's ongoing energy efficiency program, 5200 W. Century, constructed in 1982, has undergone a building wide lighting retrofit, EMS upgrade, and replacement of the HVAC system that included a low temperature, low velocity design. This addition was conceived as part of the overall efficiency enhancement at the property. A typical Arden lighting retrofit was accomplished by replacing T-12 light tubes with T-8 light tubes. Electronic ballasts were also installed. The incandescent and florescent exit signs were replaced with LED exit signs using only two watts per fixture. Also installed were occupancy sensors throughout the building to reduce unoccupied lighting energy.

In addition to all the lighting and mechanical upgrades, many no cost / low cost measures were taken that reduced energy consumption. These included:

Demand side management programs including EMS control to monitor the kW peak demand and monthly review of peak demand.

Reducing simultaneous heating and cooling to a minimum. This is largely due to spreading the load over time using optimal start strategy and utilizing the EMS.

Use of outside air to pre-cool the building.

Arden's engineering department recognizes the financial impact of electrical demand charges, and as such, targets their operation towards peak demand reduction. By monitoring electrical demand levels and establishing a peak target, the energy management systems are programmed to selectively reset equipment to keep the demand within defined limits, while never compromising occupant comfort.

The payback for these initiatives is approximately three and a half years with a marked increase in tenant satisfaction and comfort.

In a continuing effort to reduce operating costs, optimum start and stop times have resulted in a further reduction of energy.

Arden Realty, Inc., with over 240 buildings in seven markets, is currently the largest commercial office landlord in Southern California, operating over 18 million rentable square feet with an additional 285,000 square feet under development. We have completed 32 HVAC plant retrofits, 47 EMS systems, 20 carbon monoxide sensor projects and 117 individual building lighting retrofits, including occupancy sensor installation. Arden Realty has also completed seven cogeneration plants and one solar photovoltaic array with a total capacity of three megawatts.

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Please note: Narrative information in this profile has been provided by 5200 West Century Fee, LLC or a representative of this facility. Other building information was verified and submitted to EPA at the time of application. Building energy performance, operating characteristics, and ownership/management may be subject to change over time.